Indicates careful watching over a period of time, usually for protection or control.

Vigilance Implication

Doesn't always mean looking physically, could imply mental or emotional monitoring.

Not Literal

Suggests an ongoing process or interest rather than a fleeting glance.

Shows a strong interest in obtaining something, not just casual consideration.

Often used in the context of shopping or considering a future purchase.

Used when someone aspires to reach a goal or position.

Signifies one person is showing a romantic interest in another person.

May imply the first stage of flirting or showing interest before taking action.

One person may have their eye on someone without the other's knowledge or mutual feelings.